Home / 1,434.21-2,149.65-1,174.65

Finding the Fourth Proportional to 1,434.21, 2,149.65 and 1,174.65

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Solution

The fourth proportional to 1,434.21, 2,149.65 and 1,174.65 is: 1,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.21 : 2,149.65 = 1,174.65 : x
  2. Step 2: Convert to fraction form
    1,434.21/2,149.65 = 1,174.65/x
  3. Step 3: Cross multiply
    1,434.21x = 2,149.65 × 1,174.65
  4. Step 4: Simplify right side
    1,434.21x = 2,525,086.37
  5. Step 5: Solve for x
    x = 2,525,086.37/1,434.21
  6. Step 6: Final answer
    x = 1,760.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.